is investigating whether a rupert murdoch tabloid in london tried to access voicemails of 9/11 victims. and murdoch defended his handling of the scandal, speaking to "the wall street journal," which he also owns. he said he's just getting annoyed at all the criticism of his company. a federal judge in washington has declared a mistrial just two days into the perjury trial of baseball great roger clemens. the judge acted after prosecutors showed the jury some evidence that had already been disallowed. clemens is accused of lying to congress when he said he never used steroids. he had nothing to say as he left the courthouse. the judge set a september hearing to decide on holding a new trial. a suicide bomber in afghanistan killed five people today at a memorial service for ahmed wali karzai-- half-brother of the afghan president. the bomber blew himself up at a kandahar mosque where the service was under way. president karzai was not attending. the attack came as a u.n. report said afghan civilian deaths are up 15 percent from a year ago. officials with the u.n. assistance mission in af